It is highly recommended that you have your septic system inspected at least once every three years. Due to this shift, repairs and replacements of septic systems can be very expensive. Current regulations have been written with treatment of the effluent prior to disposal in mind. Historically, septic system regulations were written with disposal of effluent (water coming out of the septic tank) in mind. Site and soil evaluation applications must include a site plan showing: Wahkiakum County Health and Human Services performs site and soil evaluations for determining the feasibility of installing septic systems on bare land, and for land divisions. For repair/replacements, two test pits must be dug in the area intended to be used for the new drain field. Two in the primary drain field area (drain field to be installed) and one in the reserve drain field area (shown on paper for future replacement area). Test pits should be spaced approximately 60' apart and constructed in accordance with the Guidelines for Test Pit Construction for On-Site Sewage Systems (PDF).įor new construction projects, three test pits must be dug.
Test pits are required in order for the county and the designer to evaluate the soil to determine if a septic system can be installed in that area and what type of septic system must be installed. The county maintains a list of contractors and designers who have been asked to be placed on our list.
Becoming a septic system designer code#
On-Site Sewage Systems WAC 246-272 (PDF) is the current code for the regulation of septic systems.įor most projects, we recommend contacting a licensed installer and/or designer to get your project started.
Becoming a septic system designer professional#
Septic installation permit applications must be accompanied by two copies of a septic system design prepared by a licensed on-site wastewater treatment system designer or professional engineer.Īdditionally, we offer site and soil evaluations for determining the feasibility of installing a new septic system and for dividing land (short plats). Wahkiakum County Health and Human Services issues septic installation permits for new construction and repairs.
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